Can't help on the replacement - but use indoors is managed by a huge sticker that says to use the fan, and open a window when cooking
On our A126 hard side, cracking the window behind the stove and turning on the fantastic fan pulls the LP exhaust from the burners right out of the camper - might need a different strategy on a tent model.
2011 FR Rockwood Premiere A126 Hard Side
TV=2011 Jeep Wrangler Sahara 2 Dr
Reese 66065 WDH, Curt WDH Shank #17120
Prodigy P2 Brake Controller, Mopar 7-pin Harness
B&M Transmission Cooler (#70268)